<template>
	<view>
    <view class="search-box">
      <my-search @click="gotoSearch"></my-search>
    </view>
		<!-- 轮播图的区域 --> 
    <swiper 
      :indicator-dots="true" 
      :autoplay="true" 
      :interval="3000" 
      :duration="1000" 
      :circular="true"
    >
      <swiper-item v-for="(item, i) in swiperList" :key="i">
        <navigator 
          class="swiper-item" 
          :url="'/subpkg/goods_detail/goods_detail?goods_id=' 
          + item.goods_id">
          <image :src="item.image_src" ></image>
        </navigator>
      </swiper-item>
    </swiper>
    <!-- 分类导航区域 -->
    <view class="nav-list">
      <view 
        class="nav-item" 
        v-for="(item, i) in navList" 
        :key="i"
        @click="navClickHandler(item)"
      >
        <image :src="item.image_src" class="nav-img"></image>
      </view>
    </view>
   <view class="floor-list">
      <view 
        class="floor-item" 
        v-for="(item, i) in floorList" 
        :key="i"
       >
        <!-- 楼层的标题 -->
        <image 
          :src="item.floor_title.image_src" 
          class="floor-title"></image>
        <!-- 楼层的图片区域 -->  
        <view class="floor-img-box">
          <!-- 左侧大图片的盒子 -->
          <navigator 
            class="left-img-box" 
            :url="item.product_list[0].url"
          >
            <image 
              :src="item.product_list[0].image_src" 
              :style="{width: item.product_list[0].image_width + 'rpx'}"
              mode="widthFix">
            </image>
          </navigator>
          <!-- 右侧小图片的盒子 -->
          <view class="right-img-box">
            <navigator 
              class="right-img-item" 
              v-for="(item2, i2) in item.product_list" 
              :key="i2"
              v-if="i2 !== 0"
              :url="item2.url"
            >
              <image 
                :src="item2.image_src" 
                :style="{width: item2.image_width + 'rpx'}"
                mode="widthFix"></image>
            </navigator>
          </view>
        </view>
      </view>
    </view>
	</view>
</template>

<script>
  import badgeMix from '@/mixins/tabbar-badge.js'
	export default {
    mixins: [badgeMix],
		data() {
			return {
				//这是轮播图的数据列表
        swiperList: [],
        // 分类导航的数据列表
        navList: [],
        // 楼层的数据列表
        floorList: []
			};
		},
    onLoad(){
      // 调用方法, 获取轮播图数据
      this.getSwiperList()
      // 调用方法, 获取分类导航数据
      this.getNavList()
      // 调用方法, 获取楼层数据
      this.getFloorList()
    },
    methods: {
      async getSwiperList(){
        const {data: res} = 
          await uni.$http.get(
          '/api/public/v1/home/swiperdata')
        // 请求失败  
        if(res.meta.status !== 200) return uni.$showMsg()
        this.swiperList = res.message
        uni.$showMsg('数据请求成功!')
      },
      async getNavList(){
        const {data: res} = 
          await uni.$http.get(
          '/api/public/v1/home/catitems')
        if(res.meta.status !== 200) return uni.$showMsg()
        this.navList = res.message
        uni.$showMsg('数据请求成功!')
      },
      navClickHandler(item){
        if(item.name === '分类'){
          uni.switchTab({
            url: '/pages/cate/cate'
          })
        }
      },
      async getFloorList(){
        const {data: res} = 
          await uni.$http.get(
          '/api/public/v1/home/floordata')
        if(res.meta.status !== 200) return uni.$showMsg()
        
        // 对数据进行处理
        res.message.forEach(floor => {
          floor.product_list.forEach(prod => {
            prod.url = 
              '/subpkg/goods_list/goods_list?' 
              + prod.navigator_url.split('?')[1]
          })
        })
        
        this.floorList = res.message
        uni.$showMsg('数据请求成功!')
      },
      gotoSearch(){
        uni.navigateTo({
          url: '/subpkg/search/search'
        })
      }
    }
	}
</script>

<style lang="scss">
  swiper {
    height: 330rpx;
    .swiper-item,
     image {
       width: 100%;
       height: 100%;
     }
  }
  .nav-list{
    display: flex;
    justify-content: space-around;
    margin: 30rpx 0;
    .nav-img
    {
      width: 128rpx;
      height: 140rpx;
    }
  }
  .floor-title {
    height: 60rpx;
    width: 100%;
  }
  .floor-img-box{
    display: flex;
    padding-left: 10rpx;
  }
  .right-img-box{
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
  }
  .search-box{
    // 设置定位效果为吸顶
    position: sticky;
    // 吸顶的位置
    top: 0;
    // 提高层级, 防止轮播图覆盖
    z-index: 999;
  }
</style>
